October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.
86 citations
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February 2009 in “Journal of Neuroscience” Pregnancy increases certain GABAA receptors in rat brains, influenced by steroid levels.
Microneedling with capillary therapy slightly improved hair growth.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
39 citations
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January 2020 in “Frontiers in Genetics” PDGFC gene may help select goats with desirable curly wool traits.
August 2016 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” The program improved scalp health and promoted hair growth.
December 2024 in “Biological and Pharmaceutical Bulletin” Gum arabic improves minoxidil delivery to hair follicles, enhancing hair growth.
39 citations
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October 2013 in “Plastic and Reconstructive Surgery” Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.
April 2021 in “Journal of Investigative Dermatology” Krox20 is crucial for hair growth and maintaining skin stem cells.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
August 2025 in “Macromolecular Bioscience” Microneedles with minoxidil and nitric oxide improve hair growth effectively and painlessly.
4 citations
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July 2012 in “Linguistic Annotation Workshop” Root hairs in barley improve growth and zinc uptake in zinc-deficient soil.
April 2026 in “Biosensors” Red light increases hair follicles and ATP in mouse skin.
7 citations
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June 2020 in “npj regenerative medicine” GDNF helps grow hair and heal skin wounds by acting on hair stem cells.
8 citations
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September 2002 in “Genes to Cells” Killing specific cells in hair follicles can lead to hair growth problems in mice.
Nod factor can trigger changes in legume root hairs with just one molecule.
June 2017 in “Asian journal of pharmaceutical and clinical research” Green tea extract gel safely increases eyelash length.
January 2022 in “SSRN Electronic Journal” LncRNA RP11-818024.3 helps hair growth and recovery in hair loss by boosting cell survival and reducing cell death.
Micro-needling with growth factors and minoxidil improved hair growth in a balding man.
3 citations
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January 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.
April 2026 in “Frontiers in Cell and Developmental Biology” CD200- cells in hair follicles have a higher ability to regenerate hair.
August 2025 in “Journal of Cosmetic Dermatology” 5% topical minoxidil can significantly improve hair growth in children with Marie Unna hereditary hypotrichosis.
38 citations
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May 2009 in “European journal of dermatology/EJD. European journal of dermatology” TrichoScan® is a reliable tool for measuring hair growth, providing quicker and more consistent results than manual methods.
64 citations
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January 2015 in “BioMed Research International” Certain growth factors can promote hair growth in mice by activating hair growth-related proteins.
43 citations
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January 1999 in “Endocrinology” Cortisol increases a specific protein in bone cells, which may help explain its negative effects on bone.
65 citations
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June 2003 in “EMBO journal” Noggin overexpression delays eyelid opening by affecting cell death and skin cell development.
September 2016 in “Medical Sains/Medical sains” Liquorice extract promotes hair growth in male rabbits, with 2.5% concentration being most effective.
August 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Optimized microneedles promote hair regrowth better than minoxidil without safety risks.
October 2025 in “Asian Journal of Oral Health and Allied Sciences” Autologous growth factor concentrate therapy shows promise for treating early-stage hair loss safely and effectively.
12 citations
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September 2018 in “Naturwissenschaften” Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.